>_Skillful
Need help with advanced AI agent engineering?Contact FirmAdapt
LangChain

LangChain

Organization

@langchain-ai

United States of America www.langchain.com@LangChain On GitHub since March 2023

83

Published Tools

2,636,094

Total Stars

78

Weekly Downloads

18,813

GitHub Followers

239

Public Repos

100/100

Avg Security

Published Tools

3 MCP Servers65 Skills15 Agentsacross 15 categories

LangChain Template: Research Assistant

Awesome Gen AI Tools: LangChain Template: Research Assistant

SkillLangChain
130K1 dir

langchain-xai

cyberdude

Grok API wrapper for Node.js

SkillLLM Framework
130K2 dirs

langchain-fireworks

An integration package connecting Fireworks and LangChain

Skilluncategorised
130K2 dirs

langchain-ollama

An integration package connecting Ollama and LangChain

Skilluncategorised
130K2 dirs

langchain-chroma

An integration package connecting Chroma and LangChain.

Skilluncategorised
130K1 dir

langchain-groq

An integration package connecting Groq and LangChain

Skilluncategorised
130K1 dir

langchain-qdrant

An integration package connecting Qdrant and LangChain

Skilluncategorised
130K1 dir

langchain

Erick Friis <[email protected]>

Building applications with LLMs through composability

AgentDeveloper tools
130K4 dirs

langchain-exa

An integration package connecting Exa and LangChain

Skilluncategorised
130K2 dirs

langchain-perplexity

An integration package connecting Perplexity and LangChain

Skilluncategorised
130K2 dirs

langchain-model-profiles

CLI tool for updating model profile data in LangChain integration packages.

Skilluncategorised
130K1 dir

langchain-deepseek

An integration package connecting DeepSeek and LangChain

Skilluncategorised
130K1 dir

langchain-glean

John Agan <[email protected]>, Steve Calvert <[email protected]>

An integration package connecting Glean and LangChain

Skilluncategorised
130K1 dir

langchain-nomic

An integration package connecting Nomic and LangChain

Skilluncategorised
130K1 dir

langchain-nvidia-aiplay

This package is deprecated. Please use langchain-nvidia-ai-endpoints instead.

Skilluncategorised
130K1 dir

langchain-oceanbase

shanhaikang.shk

An integration package connecting OceanBase and LangChain

Skilluncategorised
130K1 dir

langchain-prompty

An integration package connecting Prompty and LangChain

Skilluncategorised
130K1 dir

langchain-openwebui

LangChain openwebui

Skilluncategorised
130K1 dir

langchain-mistralai

An integration package connecting Mistral and LangChain

Skilluncategorised
130K2 dirs

langgraph

Building stateful, multi-actor applications with LLMs

Skilluncategorised
27K2 dirs

langchain-e2b-selfhost

Self-hosted E2B sandbox integration for Deep Agents

Agentai-agents
20K1 dir

langchain-modal

Modal sandbox integration for Deep Agents

Agentai-agents
20K1 dir

langchain-runloop

Runloop sandbox integration for Deep Agents

Agentai-agents
20K1 dir

@shareefmorayur/langchainjs

shareefmorayur

⚡ Building applications with LLMs through composability ⚡

SkillAI Tool
17K1 dir

@langchain/mcp-adapters

GitHub Actions

LangChain.js adapters for Model Context Protocol (MCP)

MCP Serveruncategorised
17K77/wk4 dirs

langchain-quickjs

QuickJS integration package for Deep Agents

Agentai-agents
15K1 dir

langchain-daytona

Daytona sandbox integration for Deep Agents

Agentuncategorised
13K2 dirs

langchain-mcp-adapters

Vadym Barda <[email protected]>

Make Anthropic Model Context Protocol (MCP) tools compatible with LangChain and LangGraph agents.

MCP Serveruncategorised
3.4K3 dirs

@langchain/langgraph

GitHub Actions

LangGraph

SkillAI SDK Provider
2.7K3 dirs

langserve

LangChain

No description available

SkillLangChain Framework
2.3K3 dirs

langchain-trigger-server

Open Agent Platform Team

Generic event-driven triggers framework

Agentuncategorised
1.9K1 dir

openwork

hntrl

A tactical agent interface for deepagentsjs

AgentAutonomous agents
1.4K2 dirs

openevals

GitHub Actions

Much like tests in traditional software, evals are an important part of bringing LLM applications to production. The goal of this package is to help provide a starting point for you to write evals for your LLM applications, from which you can write more c

...more
SkillLLM Tool
9732 dirs

h4r5h4-langsmith

h4r5h4

Client library to connect to the LangSmith LLM Tracing and Evaluation Platform.

SkillLLM Tool
8081 dir

langsmith

LangChain <[email protected]>

Client library to connect to the LangSmith Observability and Evaluation Platform.

AgentAI Engineering
8054 dirs

langchain-google-genai

An integration package connecting Google's genai package and LangChain

Skilluncategorised
3502 dirs

langchain-google-vertexai

An integration package connecting Google VertexAI and LangChain

Skilluncategorised
3502 dirs

langchain-google-community

An integration package connecting miscellaneous Google's products and LangChain

Skilluncategorised
3492 dirs

langchain-google-vertexai_yd

An integration package connecting Google VertexAI and LangChain

Skilluncategorised
3491 dir

langchain-agentcore-codeinterpreter

Amazon Bedrock AgentCore Code Interpreter sandbox integration for Deep Agents

Agentai-agents
3081 dir

langchain-aws

An integration package connecting AWS and LangChain

Skilluncategorised
3072 dirs

idw111-mcp-adapters

idw111

LangChain.js adapters for Model Context Protocol (MCP)

MCP ServerLLM Framework
2461/wk2 dirs

langchain-community

Community contributed LangChain integrations.

Skilluncategorised
2391 dir

langchain-community-mumu-fix01

Community contributed LangChain integrations.

Skilluncategorised
2381 dir

Agent Auth Payments

langchain-ai

fullstack chat agent with authentication, request credits and payments built in

Agentsecurity
1951 dir

langchain-nvidia-ai-endpoints

An integration package connecting NVIDIA AI Endpoints and LangChain

Skilluncategorised
1942 dirs

create-agent-chat-app

basproul

Create a LangGraph chat app with one command

AgentLLM Tool
1781 dir

langchain-azure-dynamic-sessions

An integration package connecting Azure Container Apps dynamic sessions and LangChain

Skillai-ml
1201 dir

langchain-sqlserver

An integration package to support SQL Server in LangChain.

Skillai-ml
1201 dir

langchain-azure-storage

Microsoft Corporation

LangChain integrations for Azure Storage

Skillai-ml
1201 dir

langchain-azure-ai

Arda Aytekin

An integration package to support Azure AI Foundry capabilities in LangChain/LangGraph ecosystem.

Skilluncategorised
1192 dirs

langchain-experimental

Building applications with LLMs through composability

Skilluncategorised
971 dir

langchain-elasticsearch

An integration package connecting Elasticsearch and LangChain

Skilluncategorised
761 dir

langchain-weaviate

An integration package connecting Weaviate and LangChain

Skilluncategorised
631 dir

langchain-redis

Brian Sam-Bodden

An integration package connecting Redis and LangChain for AI working memory

Skilluncategorised
591 dir

langchain-milvus

An integration package connecting Milvus and LangChain

Skilluncategorised
521 dir

langchain-cohere

An integration package connecting Cohere and LangChain

Skilluncategorised
452 dirs

langchain-neo4j

An integration package connecting Neo4j and LangChain

Skilluncategorised
392 dirs

langchain-snowflake

An integration package connecting Snowflake and LangChain

Skilluncategorised
352 dirs

langchain-astradb

An integration package connecting Astra DB and LangChain

Skilluncategorised
331 dir

langchain-db2

IBM

An integration package connecting Db2 vector store and LangChain

Skilluncategorised
291 dir

langchain-litellm

Akshay Dongare

An integration package connecting LiteLLM and LangChain

Skilluncategorised
272 dirs

langchain-pinecone

An integration package connecting Pinecone and LangChain

Skilluncategorised
261 dir

langchain-unstructured

An integration package connecting Unstructured and LangChain

Skilluncategorised
181 dir

langchain-upstage

An integration package connecting Upstage and LangChain

Skilluncategorised
151 dir

langchain-ai21

An integration package connecting AI21 and LangChain

Skilluncategorised
121 dir

langchain-sema4

An integration package connecting Sema4 and LangChain

Skilluncategorised
61 dir

langchain-cerebras

An integration package connecting Cerebras and LangChain

Skilluncategorised
51 dir

langchain-together

An integration package connecting Together AI and LangChain

Skilluncategorised
42 dirs

baby-swe

GitHub Actions

A terminal-style AI coding assistant

SkillAI Assistant
21 dir

@langchain/net-mocks

hntrl

Capture & replay network activity for tests

SkillLLM Framework
21 dir

deepagents

GitHub Actions

Deep Agents - a library for building controllable AI agents with LangGraph

Agentai
14 dirs

@valyu/langchain

yorkeccakk

LangChain JS/TS integration for Valyu deep search and contents APIs

SkillLLM Framework
1 dir

langgraph-bigtool

msaiaditya

Build LangGraph agents with large numbers of tools

SkillLLM Tool
1 dir

ai-filesystem

Nick <[email protected]>

Virtual filesystem service for AI agents with LangChain integration

Agentuncategorised
1 dir

langchain-box

An integration package connecting Box and LangChain

Skilluncategorised
1 dir

langchain-databricks

An integration package connecting Databricks and LangChain

Skilluncategorised
1 dir

langchain-iceberg

Vipin Kataria

LangChain integration for Apache Iceberg with native PyIceberg API support

Skilluncategorised
1 dir

langchain-matrixone

Ian Chenyang Zhao

LangChain integration for MatrixOne

Skilluncategorised
1 dir

langchain-tool-client

LangChain Tool Client SDK (Python)

Skilluncategorised
1 dir

@langchain/community

GitHub Actions

Third-party integrations for LangChain.js

SkillLLM Framework
1 dir

langchain-azure-cosmosdb

Aayush Kataria

Azure CosmosDB integrations for LangChain and LangGraph, including vector store, cache, chat history, and checkpoint.

Skillai-ml
1 dir

langchain-protocol

Python bindings for the LangChain agent streaming protocol

Agentai-agents
1 dir